Improved window-curtain



N. PETERS. PHOTQUTHOGRAPHER. wASmNGTON. D Cf VILLIAM HENRY MORRISON, OF INDIANAPOLIS, INDIANA.

IMPROVED WINDOW-CURTAIN.

Specification forming part of Letters Patent No. 58.668, dated October' 9, 1866.

To all fathom 'it may concern.-

Be it known that I, WILLIAM HENRY Mon- RISON, of Indianapolis, in the county of Marion and State of Indiana., have invented new and useful Improvements in VVimlow-Ourtains5 and I do hereby declare that the following is a full and exact description thereof, reference being had to Figures l, 2, 3, 4, and 5 ot' the accompanying drawings, and to thcletters and figures of reference marked thereon.

Figs. 6, 7, S, and 9 are merely partial modifications, for which no claim is made herein. Fig. 1 is an isometrical drawing of the window-curtain F and its attachments, fastened to the wii1tlo\viaine A. Figs. 3, 4, and 5 are sectional views of parts ot Fig. 1 (the windowcurtain being in dit't'erent positions) seen from the direction R It, Fig. 1. Fig. 2 is a view ot' the lower pulley, G, with its attached stirruppiece It, (shown in Fig. 1,) as seen from the direction Q Q, Fig. 1.

The window-traine A, Fig. 1, is set upright, for convenience of illustration, on the base B, which represents the floor of a'house.

E, Figs. 1, 3, 4A, 5,.is the roller, to which the double window-curtain F is tacked at `n a. The ends ot' the roller E turn in the brackets D D, in the usual manner, these brackets being fastened to the top of the window-frame A. One end ofthe roller E has a grooved pulley, P, iixed on it in the usual manner, over which runs the cord c, t'or raising or lowering the double curtain F, or for changing the relative position ot' the apertures x tr a' x to w in the opposite parts of the curtain F. Thelower part ot' the cord c passes around another grooved pulley, G, Figs. l, 2, which has a stirrup-piece, h, attached to it, as shown, by the rivet-pin 'i passing' through the center otn G.

Through the lower part of the stirrup-piece h an india-rubber spring-strap, s, is passed, which strap is connected, substantially as shown, by means ofthe string or cord t to the lower stationary bracket, u, this bracket being fastened to the window-traine A, as shown.

The india-rubber strap a forms a spring, which, by tying the string or cord t shorter, so as to pull downward the strap s, keeps the cord c taut and in place in the grooves of the pulleys Gr and P.

The double window-curtain F F hangs down,

as shown in Figs. 1, 3, et, 5, on both sides of the roller E, being tacked at top to roller E at n n, and having its two lower ends tacked at bottom to the wooden bar c o, which extends from side to side of the lower ends of the double curtain F, as shown. The appearance presented is that of two curtains hanging from opposite sides of roller E and tacked at bottom to the bar In both parts of the curtain 'F F are holes .r .r x x x' w', facing each other, those on one part being in the same vertical line with the corresponding holes in the opposite part of double curtain F F, as shown in Figs. 1, 3, 4, 5. By pulling the cord c the holes .fr @c win one part of the curtain F may be brought either opposite to, above, or below the holes x x x in the opposite part of the curtain F. The position of the holes x m x a." in the opposite parts of the curtain F is so arranged that by pulling the cord c the holes in one part, was x, may at one time be brought directly opposite, or nearly opposite, the holes a." fr w in the other part of the curtain F. The design o' this arrangement is this: When the common single window-curtain is down it prevents, in a great measure, the passage of the air; but the plan here described permits the passage of currents of air through the holes a' x x and .r1 w x', while at the same time it excludes the sun and forms a complete curtain, thus combining the advantages of the Venetian blind and the common curtain, not being cumbersome, like the former, and at the same time permitting freer ventilation than the latter.

Figs. 6, 7 8, 9 merely represent modifications ofthe arrangement of the lower part of the double curtain F F, for which no claim is herein made.

In Figs. 6 and 7 two additional bars, w w, are tacked to the curtain F, similar to and parallel to the bar n, so as to keep the slack part of the curtain F stretched when it is in the position shown in Fig. 5. The plan in Figs. 8 and 9 is for the same purpose, a cylindrical roller, z, not in any way attached to the curtain F, being substituted for the bar v c, this roller having flanges y y secured on its ends, the an ges being sufficiently tlarin g, as shown) to keep the roller z in place.

The double curtain F may be made of linen, x a: w w x in its opposite parts, substantially' or of paper pasted on inuslin, and in the latter as described, when this combination is used oase it may be made, 1f desired, semi-transfor the purposes specified.

parent by any known means. VILLIAM HENRY MORRISON.l

"What I claim as my invention, and desire Witnesses:

to secure by Letters Patent, is DAVID K. DARBYSHIRE,

The combination of' the roller E and the ROBERT F. BRUCE,

double curtain F F, having the apertures WM. SULLIVAN. 

